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ST1581N Seagate 525MB 4400RPM Fast SCSI 50-Pin 3.5-inch Hard Drive

SKU:
ST1581N
Weight: 1.76 lbs
Condition: Refurbished
  • 525MB storage capacity for moderate data needs
  • 4400 RPM spindle speed ensures steady performance
  • 256KB cache improves data access speed
  • 50-pin Fast SCSI interface supports quick data transfer
In stock

$428.23

Product Overview

The Seagate ST1581N is a 3.5-inch hard drive designed for use in systems that require a Fast SCSI interface with a 50-pin connection. It offers moderate storage capacity and reliable performance at 4400 RPM, making it a practical component for older servers and workstations still in operation today.

General Information

Brand Seagate
Part Number ST1581N

Technical Information

Form Factor 3.5-inch
Disk Format SCSI
Cache 256KB
Spindle Speed 4400 RPM
Hot Pluggable No
Hot Swappable No
Hybrid Drive No

Interfaces/Ports

Interface SCSI

Physical Characteristics

Condition Refurbished
Weight 1.76


Product Description

This Seagate ST1581N hard drive provides 525MB of storage with a 4400 RPM spindle speed, making it suitable for legacy systems or specialized industrial equipment requiring reliable data access. It uses a Fast SCSI interface with a 50-pin connector to maintain consistent transfer rates with compatible devices.

Often found in older servers or workstations, this drive is built for users needing moderate capacity and stable performance rather than high speed or large storage. IT professionals working with vintage hardware or data recovery often rely on drives like this.

Key Features

  • Compact 3.5-inch form factor fits standard drive bays
  • Fast SCSI interface compatible with many legacy systems
  • 256KB cache buffers data for smoother reads and writes
  • 4400 RPM speed balances performance and energy use
  • Durable design suited for long-term operation

This drive is typically deployed in older computer systems where newer storage solutions aren't compatible. It offers a practical solution for maintaining or restoring vintage equipment, and serves well in industrial settings where tried-and-true technology is preferred over new hardware.


Use Cases

The Seagate ST1581N hard drive is typically deployed in legacy server environments and specialized industrial systems that rely on Fast SCSI interfaces. It caters to IT professionals managing aging infrastructure where compatibility and steady performance for moderate workloads are essential.

How It's Used:

  • Supporting archival storage solutions within enterprise data centers that maintain older SCSI-based storage arrays.
  • Providing reliable storage in manufacturing and automation systems where legacy hardware integration is critical.
  • Used in SMB IT environments running legacy servers requiring moderate capacity and consistent throughput.
  • Enabling storage expansion in research labs with specialized equipment dependent on 50-pin Fast SCSI connectivity.
  • Maintaining data logging and backup systems in remote office setups with existing Fast SCSI infrastructure.

This hard drive supports operational continuity by integrating seamlessly with legacy systems, enabling organizations to maximize their existing hardware investments without sacrificing reliability. Its design balances capacity and performance suitable for workloads that do not demand high-speed modern interfaces but still require dependable data access.


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ST1581N Seagate 525MB 4400RPM Fast SCSI 50-Pin 3.5-inch Hard Drive
ST1581N Seagate 525MB 4400RPM Fast SCSI 50-Pin 3.5-inch Hard Drive
$428.23